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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-2001
DTSTART:20110127T160000Z
DURATION:PT1H0M0S
DTSTAMP:20260420T145802Z
LAST-MODIFIED:20110119T185617Z
LOCATION:5310 Chamberlin
SUMMARY:Shock waves in cold Fermi atoms\, R. G. Herb Condensed Matter 
 Seminar\, Alexander Abanov\, Stony Brook University
DESCRIPTION:I will discuss a recent experiment performed by James Jose
 ph and John Thomas in Duke University. They experimentally produced a 
 collision between two ultra-cold atomic clouds made out of a unitary F
 ermi gas. During the collision a very sharp and stable density peak at
  the center of the trap was formed and subsequently evolved into a box
 -like shape. We demonstrate that we can model the nonlinear dynamics o
 f this collision using a dimensionally reduced quasi-1D form of hydrod
 ynamic equations of motion. The quasi-1D nonlinear hydrodynamics shows
  near perfect agreement with the experiment and we see a clear evidenc
 e of shock wave formation which is a hallmark of nonlinear physics.
URL:https://www.physics.wisc.edu/events/?id=2001
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